About This
- Halcyon contains a unique proprietary Pheromone (2M2B) that is clinically proven to be safe and effective in addressing a wide range of behavior issues in Cats.
- When smelled by cats, Halcyon helps address the following: Separation Anxiety, Sound Anxiety (loud noises), Travel Stress. Lasts for 30 days.
- NO PLUG IN REQUIRED
- Anxiety and Poor Behaviors






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